| Isoglossa angusta (Nees) Baker |
Accepted |
 |
TRO |
| Isoglossa anisophylla Brummitt |
Unresolved |
 |
WCSP (in review) |
| Isoglossa asystasioides I.Darbysh. & Ensermu |
Unresolved |
 |
WCSP (in review) |
| Isoglossa bachmannii Lindau |
Synonym |
 |
TRO |
| Isoglossa barlerioides S.Moore |
Unresolved |
 |
WCSP (in review) |
| Isoglossa bolusii C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa bracteosa Mildbr. |
Unresolved |
 |
WCSP (in review) |
| Isoglossa bruceae I. Darbysh. |
Unresolved |
 |
TRO |
| Isoglossa candelabrum Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa cataractarum Brummitt & Feika |
Unresolved |
 |
WCSP (in review) |
| Isoglossa ciliata Lindau |
Accepted |
 |
TRO |
| Isoglossa clemensorum (Benoist) B.Hansen |
Unresolved |
 |
WCSP (in review) |
| Isoglossa collina (T. Anderson) B. Hansen |
Accepted |
 |
TRO |
| Isoglossa comorensis Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa congesta Hedrén |
Unresolved |
 |
WCSP (in review) |
| Isoglossa cooperi C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa cyclophylla Mildbr. |
Unresolved |
 |
WCSP (in review) |
| Isoglossa delicatula C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa densa N.E.Br. |
Unresolved |
 |
WCSP (in review) |
| Isoglossa dichotoma (Hassk.) B.Hansen |
Unresolved |
 |
WCSP (in review) |
| Isoglossa eckloniana Lindau |
Accepted |
 |
TRO |
| Isoglossa eliasbandae Brummitt |
Unresolved |
 |
WCSP (in review) |
| Isoglossa eranthemoides (F.Muell.) R.M.Barker |
Unresolved |
 |
WCSP (in review) |
| Isoglossa expansa Benoist |
Unresolved |
 |
WCSP (in review) |
| Isoglossa eylesii (S.Moore) Brummitt |
Unresolved |
 |
WCSP (in review) |
| Isoglossa fastidiosa (Benoist) B.Hansen |
Unresolved |
 |
WCSP (in review) |
| Isoglossa flava Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa floribunda C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa floribunda subsp. salviflora (Mildbr.) I. Darbysh. |
Unresolved |
 |
TRO |
| Isoglossa geoffrayi (Benoist) B.Hansen |
Unresolved |
 |
WCSP (in review) |
| Isoglossa glabra (Hand.-Mazz.) B.Hansen |
Unresolved |
 |
WCSP (in review) |
| Isoglossa glandulifera Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa gracillima Baker |
Unresolved |
 |
WCSP (in review) |
| Isoglossa grandiflora S.Moore |
Accepted |
 |
WCSP (in review) |
| Isoglossa grantii C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa gregorii (S.Moore) Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa humbertii Mildbr. |
Unresolved |
 |
WCSP (in review) |
| Isoglossa hypoestiflora Lindau |
Accepted |
 |
TRO |
| Isoglossa imbricata Brummitt |
Unresolved |
 |
WCSP (in review) |
| Isoglossa inermis (Benoist) B.Hansen |
Unresolved |
 |
WCSP (in review) |
| Isoglossa insularis Benoist |
Synonym |
 |
TRO |
| Isoglossa ixodes Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa justicioides Baker |
Accepted |
 |
TRO |
| Isoglossa lactea Lindau ex Engl. |
Unresolved |
 |
WCSP (in review) |
| Isoglossa laxa Oliv. |
Unresolved |
 |
WCSP (in review) |
| Isoglossa laxiflora Lindau |
Accepted |
 |
WCSP (in review) |
| Isoglossa longiflora Benoist |
Unresolved |
 |
WCSP (in review) |
| Isoglossa macowanii C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa mbalensis Brummitt |
Unresolved |
 |
WCSP (in review) |
| Isoglossa melleri Baker |
Unresolved |
 |
WCSP (in review) |
| Isoglossa membranacea C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa milanjiensis S.Moore |
Accepted |
 |
WCSP (in review) |
| Isoglossa mossambicencis Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa mossambicensis Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa nervosa C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa oerstediana Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa oreacanthoides Mildbr. |
Unresolved |
 |
WCSP (in review) |
| Isoglossa origanoides (Nees) S. Moore |
Unresolved |
 |
TRO |
| Isoglossa origanoides (Nees) Lindau |
Accepted |
 |
TRO |
| Isoglossa ovata Lindau |
Accepted |
 |
TRO |
| Isoglossa parviflora Benoist |
Unresolved |
 |
WCSP (in review) |
| Isoglossa parvifolia Rendle |
Unresolved |
 |
WCSP (in review) |
| Isoglossa paucinervis I. Darbysh. |
Unresolved |
 |
TRO |
| Isoglossa pawekiae Brummitt & Feika |
Unresolved |
 |
WCSP (in review) |
| Isoglossa prolixa Lindau |
Accepted |
 |
TRO |
| Isoglossa punctata (Vahl) Brummitt & J.R.I. Wood |
Accepted |
 |
TRO |
| Isoglossa rubescens Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa rungioides S.Moore |
Unresolved |
 |
WCSP (in review) |
| Isoglossa runssorica Lindau |
Accepted |
 |
WCSP (in review) |
| Isoglossa rutenbergiana Vatke |
Unresolved |
 |
TRO |
| Isoglossa rutenbergisma Vatke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa salviiflora (Mildbr.) Brummitt |
Unresolved |
 |
WCSP (in review) |
| Isoglossa schliebenii Mildbr. |
Unresolved |
 |
WCSP (in review) |
| Isoglossa somalensis Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa stipitata C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa strigosula C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa subcordata (C.B.Clarke) B.Hansen |
Unresolved |
 |
WCSP (in review) |
| Isoglossa substrobilina C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa sylvatica C.B.Clarke |
Unresolved |
 |
WCSP (in review) |
| Isoglossa ufipensis Brummitt |
Unresolved |
 |
WCSP (in review) |
| Isoglossa variegata I. Darbysh. |
Unresolved |
 |
TRO |
| Isoglossa ventricosa I. Darbysh. |
Unresolved |
 |
TRO |
| Isoglossa vestita Benoist |
Unresolved |
 |
WCSP (in review) |
| Isoglossa violacea Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa volkensii Lindau |
Unresolved |
 |
WCSP (in review) |
| Isoglossa vulcanicola Mildbr. |
Accepted |
 |
WCSP (in review) |
| Isoglossa woodii C.B.Clarke |
Unresolved |
 |
WCSP (in review) |